The Amazon Basics Room Darkening Blackout is the value champion and Reviewed.com's Editor's Choice for blackout curtains, after it blocked light better than every other panel they tested. Triple-weave 240 GSM polyester with a back coating earns a 100% blackout rating, and you get thermal insulation and noise reduction for around $35. It is plain, and stock can be spotty. On pure light-blocking per dollar, it is the best buy on this list.
- — Reviewed.com's Editor's Choice for best blackout curtains, doing 'an excellent job of blocking out unwanted light'
- — Metal grommets slide easily on standard or decorative rods and look modern
- — Among the cheapest options here, with Velcro tie-backs included
- — As with any panel, edge gaps can leak light without a wraparound rod